\chapter{数列与数学归纳法}

\section{数列}

\input{units/ds2-ch2-1}
\input{units/ds2-ch2-2}
\input{units/ds2-xiti-3}

\vspace{2em}
\input{units/ds2-ch2-3}
\input{units/ds2-xiti-4}

\vspace{2em}
\section{数学归纳法}

\input{units/ds2-ch2-4}
\input{units/ds2-ch2-5}
\input{units/ds2-xiti-5}

\vspace{2em}
\input{units/ds2-xiaojie}

\nonumsection{复习参考题二}
\input{units/ds2-ch2-fuxi-A.tex}
\input{units/ds2-ch2-fuxi-B.tex}

